2025 Oregon Cdl Air Brakes - Test 2
The following questions are from real Oregon CDL practice tests. After selecting the answer, you can see the explanation. After confirming, click "Next" to jump to the next question.
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1. How many air storage tanks are used in an air brake system?
Two tanks
Four tanks
Six tanks
The number varies.
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Key Data
Number of Tests: 18
Number of Question: 25
Passing Score: 20
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